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Development of a geothermal acoustic borehole televiewer [electronic resource].

Published:
Albuquerque, N.M. : Sandia National Laboratories, 1983.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description:
Pages: 85 : digital, PDF file
Additional Creators:
Sandia National Laboratories and United States. Department of Energy. Office of Scientific and Technical Information
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Summary:
Most geothermal wells are drilled in hard rock formations where fluid flow is through systems of open fractures. Productivity of these wells is usually determined by the extent of intersection of the wellbore with the fracture system. A need exists for fracture mapping methods and tools which can operate in a geothermal environment. In less hostile environments, the acoustic borehole televiewer has been shown to be a useful tool for determining location, orientation, and characterization of fractures as they intersect the borehole and for general wellbore and casing inspection. The development conducted at Sandia National Laboratories to adapt an acoustic borehole televiewer for operation in a geothermal environment is described. The modified instrument has been successfully tested at temperatures as high as 280/sup 0/C and pressures up to 5000 psi, and used successfully to map fractures and casing damage in geothermal wells.
Report Numbers:
E 1.99:sand-83-0681
sand-83-0681
Subject(s):
Other Subject(s):
Note:
Published through SciTech Connect.
08/01/1983.
"sand-83-0681"
"DE83017935"
Bauman, T.J.; Heard, F.E.
Funding Information:
AC04-76DP00789
View MARC record | catkey: 14384934